Home / 1,646,709.69-2,272,410.55-911,696.71

Finding the Fourth Proportional to 1,646,709.69, 2,272,410.55 and 911,696.71

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Solution

The fourth proportional to 1,646,709.69, 2,272,410.55 and 911,696.71 is: 1,258,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,709.69 : 2,272,410.55 = 911,696.71 : x
  2. Step 2: Convert to fraction form
    1,646,709.69/2,272,410.55 = 911,696.71/x
  3. Step 3: Cross multiply
    1,646,709.69x = 2,272,410.55 × 911,696.71
  4. Step 4: Simplify right side
    1,646,709.69x = 2,071,749,222,204.29
  5. Step 5: Solve for x
    x = 2,071,749,222,204.29/1,646,709.69
  6. Step 6: Final answer
    x = 1,258,114.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.